Vantio Optics open core: free, local-first observe-only visibility into AI agent egress (CLI, MCP server, Python SDK). Also hosts the Phantom Engine installer source; Phantom Engine is a separate licensed product.
Latest release custody-py-3.1.2 · 21 Oct 2026
1 file for Codex and OpenCode: vantio-open-core AGENTS.md — 2,437 tokens loaded in every session.
AGENTS.md B 2,437 tok These files are vantioai/vantio-open-core's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.